body{
    
        ul.aside{
            position: fixed;
            bottom: 70px;
            right: 0;
            z-index: 1;
            li{
                position: relative;
                display: block;
                width: 82px;
                height: 90px;
                margin-top: -1px;
                background-color: #fff;
                border: 1px solid #f5f5f5;
                text-align: center;
                display: flex;
                flex-flow: column nowrap;
                align-items: center;
                justify-content: center;
                cursor: pointer;
                &:hover{
                    color: #ff6700;
                    .icon{
                        img.hover{
                            opacity: 1;
                        }
                        img.static{
                            opacity: 0;
                        }
                    }
                }
                .icon{
                    display: flex;
                    width: 30px;
                    height: 30px;
                    img{
                        position: absolute;
                        width: 30px;
                        height: 30px;
                        transition: opacity .3s;
                    }
                    img.hover{
                        opacity: 0;
                    }
                }
                span{
                    padding-top: 10px;
                    font-size: 14px;
                    transition: color .3s;
                }
            }
        }
    
}